Write a balanced equation for the reaction of Na₂S and CdSO₄. Express your answer as a chemical equation. Identify all of the phases in your answer. Enter no reaction if no precipitate is formed.

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10-09-2019
Chemistry

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Write a balanced equation for the reaction of Na₂S and CdSO₄. Express your answer as a chemical equation. Identify all of the phases in your answer. Enter no reaction if no precipitate is formed.

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OlaMacgregor OlaMacgregor · Answer 1 · 2019-09-11T10:43:01+02:00

Explanation:

A chemical reaction equation that contains same number of atoms on both reactant and product side is known as a balanced chemical reaction equation.

For example, [tex]Na_{2}S(aq) + CdSO_{4}(aq) \rightarrow Na_{2}SO_{4}(aq) + CdS(s)[/tex]

Here, number of reactant molecules are as follows.

Na = 2

S = 2

Cd = 1

O = 4

Number of product molecules are as follows.

Na = 2

S = 2

Cd = 1

O = 4

As there are already equal number of atoms on both reactant and product side. Hence, the reaction equation is balanced.

Also, in this reaction both [tex]Na_{2}S[/tex] and [tex]CdSO_{4}[/tex] are present as aqueous solution. And, CdS is the precipitate that is formed as it is the insoluble solid that forms.

[tex]Na_{2}SO_{4}[/tex] is present in aqueous state.